佢地係用咩原理推動而做成呢?
點解有D電閃出黎會有一條野,而一D冇呢...?
愈詳細愈好...
THX..
更新1:
唔好咁求其啦...得唔得呀...
唔好咁求其啦...得唔得呀...
收錄日期: 2021-04-18 23:05:28
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070819000051KK01675